AWWA's most popular handbook for distribution operators, this handbook provides a complete introduction to water distribution system operation and equipment.
Reflecting current safety practices and federal regulations, this illustrated manual for utility managers, supervisors, and safety workers identifies common problems, outlines the basics of safety programs, and describes the equipment, tools, and techniques used for optimizing safety. Particular att
Annotation Water utility managers are in a challenging profession, and managerial leadership is key to successful utility operations. AWWA Manual M5, Water Utility Management, was developed through the collaborative effort of leaders in the utility profession who have successfully met the challenges of managing a water utility. This practical manual covers management issues such as internal organizational structure of typical water utilities, government relations, safety programs, engineering, public relations, and more. Book jacket.
US water utilities face a significant economic challenge. The oldest underground infrastructure (some is more than 100 years old) is at or very near the end of its expected life span and must be replaced within the next 30 years. AWWA projects expenditures of $250 billion nationwide for the replacement of worn-out pipes and related fittings.
Updated annually, this study is the only comprehensive study of salary data for 45 water and wastewater jobs from 1,046 utilities. Data is summarized by type of utility ownership, utility size, location, and average gallons managed. This study allows utilities to compare positions in their facility to others of similar size and geographic location.
Reliable water quality testing forms the basis for regulatory compliance and ensures the best possible quality drinking water for the community. This manual provides 30 common lab tests for process control in drinking water production. Each test includes purpose of test, equipment list, reagents, simplified methods and procedures, and warnings and cautions.
The revised manual contains new material reflective of isses and changes in this evolving water industry. The manual provides guidance and recommendations on choosing rate structures and setting water rates, fees, and charges which will cover utility costs and future needs. The manual covers all types of rate structures, such as block rates, uniform rates, conservation rates, surcharges, and many others.
This manual was written for water system designers, engineers, operators, and managers who need a reference guide for analyzing various water rehabilitation options. It summarizes current information about water main rehabilitation technologies that have a proven track record in the water industry i
For technicians, architects, and engineers, a revised guide to estimating customer demand and maximum expected flow for sizing new service lines and meters. The manual (first published in 1975) presents a field method of demand profiling that can be used to evaluate actual customer use patterns and
Cross-connection control is one of the most important barriers in the multiple-barrier approach drinking water suppliers use to protect public health. Contamination of a drinking water distribution system through a cross-connection often results in immediate adverse health effects - illness or even death. This Manual provides a total cross-connection control program for your water system. The manual explains how cross-connections and backflow can occur and tells you how to choose, install, and maintain backflow prevention devices. You ll learn the water purveyor s legal responsibilities, as well as the customer s responsibilities in backflow prevention. The manual covers risk assessment, types of programs to consider, and program administration. Until the cross connection control program is fully developed, the water purveyor is at maximum risk of potential liability. This Manual also explains the hydraulics of backflow, the two types of backflow backsiphonage and backpressure, and the conditions that can cause backflow and a potential cross-connection (such as a water main break). You ll get expert guidance in selecting and installing backflow prevention equipment andl learn the 10 main types of backflow prevention devices or assemblies (yes, they are different), and the relative effectiveness of each type against backsiphonage, backpressure, and low and high hazards. The manual describes each device or assembly, its application in a water system, installation requirements. Detailed assembly test procedures are included for the different types of devices and assemblies. This Manual recommends backflow prevention equipment for installation in the water distribution system, as well as raw water-storage reservoirs, chemical feed pumps and injectors, filters, surface washers, saturators and dry chemical solution tanks, sampling lines, hose bib connections, and membrane systems.
Water distribution systems are made up of pipe, valves and pumps through which treated water is moved from the treament plant to homes, offices, industries, and other consumers. The types of materials and equipment used by each water system are usually governed by local conditions, past practices, and economics. Consequently, drinking water professionals must be knowledgeable about common types of equipment and operating methods that are available. Completely revised and updated, Water transmission and distribution includes information on the following: distribution system design and operation and maintenance ; piping materials ; valves, pumps, and water meters ; water main installation ; backfilling, main testing, and installation safety ; fire hyfrants ; water storage ; water services ; cross-connection control ; motors and engines ; instrumentation and control ; information management and public relations.--Cover page [4].
This manual serves as both a strategic training experience and a tool for achieving quality customer service at your water utility. Topics covered include communication strategies, automated technologies, complaint resolution, managing conflict, and more. It's informative and easy to understand format allow for quick results.
This brand new manual was written because of the increased use of chloramine as a residual disinfectant in drinking water distribution systems and the ubiquitous presence of nitrifying bacteria in the environment. Chapters cover background information on the occurrence and microbiology of nitrification in various water environments and provide current practical approaches to nitrification prevention and response. This manual provides a compendium of the current state-of-the-art knowledge, however with quickly developing new advances in nitrification, more writings will be forthcoming. Each chapter can be read independently.
The manual identifies most of the problem organisms found in water supplies and provides recommendations for removing or inactivating them. Chapters describe and illustrate each organism, explain the types of problems it can cause, and offers suggestions for treatment or control. Nonpathogenic organisms covered include actinomycetes, iron bacteria, sulfur bacteria, nitrifying bacteria, nematodes, bloodworms or midges, crustacea, rotifers, zebra mussels, algae, and protozoa.
This official manual of practice gives you the step-by-step guidance you need to determine your revenue requirements, analyze your rates for different customer classes, develop a financial plan, and design a better rate structure -- even if you have limited resources and data.
This Manual of Water Supply Practices provides utility guidance on how to develop an integrated resource plan for ensuring adequate water supplies to accommodate projected future water demands. Covers all topics of water resources planning: demand forecasting, evaluation of potential new source waters, hydrologic modeling, regulatory issues, environmental impact analysis, public involvement, and economic analysis. Includes sample Integrated Resources Plans developed by water utilities.
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